diff --git a/Documentation/etcd-mixin/mixin.libsonnet b/Documentation/etcd-mixin/mixin.libsonnet
index f3d0a87d7..d88c2a9a8 100644
--- a/Documentation/etcd-mixin/mixin.libsonnet
+++ b/Documentation/etcd-mixin/mixin.libsonnet
@@ -516,7 +516,7 @@
               stack: false,
               steppedLine: false,
               targets: [{
-                expr: 'etcd_debugging_mvcc_db_total_size_in_bytes{job="$cluster"}',
+                expr: 'etcd_mvcc_db_total_size_in_bytes{job="$cluster"}',
                 hide: false,
                 interval: '',
                 intervalFactor: 2,